Jonathan works primarily in the area of administrative and public law, representing individuals, government agencies, and regulated entities before courts and tribunals. He has:

Acted as counsel for a provincial Attorney General in significant cases involving the Constitution Act, 1867

Represented individuals, corporations, municipalities and public agencies before administrative tribunals.

Served as counsel to administrative tribunals.

Advised government agencies and decision-makers on their obligations under federal and provincial legislation.

Recovered property valued at more than $2M USD for a foreign state agency.

Defended individuals in criminal and regulatory proceedings.

Prosecuted offences under the Controlled Drugs and Substances Act as an agent of the Public Prosecution Service of Canada.

Secured settlements of more than $1M CDN for losses resulting from defective supplies.

Appeared in the Supreme Court of Canada, Provincial Court of Prince Edward Island, the Supreme Court of Prince Edward Island, the Prince Edward Island Court of Appeal, the Tax Court of Canada, and the Federal Court.